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Arduino Uno + WiFi R3 (Compatible) ATmega328P + ESP8266 (w/o USB cable)
Arduino Uno + WiFi R3 (Compatible) ATmega328P + ESP8266 (w/o USB cable)
Arduino Uno + WiFi R3 (Compatible) ATmega328P + ESP8266 (w/o USB cable)
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Arduino Uno + WiFi R3 (Compatible) ATmega328P + ESP8266 (w/o USB cable)

Marsoni M251S
Sale price$1260.00
Pay 4 payments of $315.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Arduino Uno + WiFi R3 (Compatible) ATmega328P + ESP8266 (w/o USB cable)This is the new version of our Uno+WiFi R3 board that is fully compatible with the Arduino Uno+WiFi R3. It is a customized version of the classic ARDUINO UNO R3 board. Full integration of microcontroller Atmel ATmega328 and IC, Wi Fi ESP8266 with 32 MB flash memory, and USB TTL converter CH340G on one board. All modules can work together or independently. On the board where the switch of a mode of operation with 8 position SPECIFICATIONS:*
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 1778 reviews
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Verified Purchase
scott courtenay
Natrona Heights, US
★★★★★ 5
Great construction & layout
Love the dual design works for my project in the space I had. Thanks!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2025
K
Verified Purchase
Kyle Seal
Boise, US
★★★★★ 5
Good quality
Used this to relocate my battery to the rear of my longbed truck, flexible and easy to work with
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
J
Verified Purchase
J. McCoy
Lowell, US
★★★★★ 5
Good stuff.
Great wire for the cost. Works perfect for my project.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
D
Verified Purchase
Daniel C.
Port Orchard, US
★★★★★ 5
Great quality products
Used this product to make a new hot and ground on my 2001 Ford f450 with 2 batteries. Alot cheaper than factory!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 17, 2025
T
Verified Purchase
Todd Levesque
Grantham, US
★★★★★ 5
Purchase a very good set or at least the correct cutters for this wire. I’ll make your life hell .
Glad I bought it when I did. Copper has gone way up. And this is full core copper. Place my copper ends on the stuff works great. Using it on a solar battery bank.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2026

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